39793973667 has 16 divisors (see below), whose sum is σ = 61175063040. Its totient is φ = 22538178432.

The previous prime is 39793973663. The next prime is 39793973717. The reversal of 39793973667 is 76637939793.

It is not a de Polignac number, because 39793973667 - 2² = 39793973663 is a prime.

It is not an unprimeable number, because it can be changed into a prime (39793973663) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8382367 + ... + 8387112.

It is an arithmetic number, because the mean of its divisors is an integer number (3823441440).

Almost surely, 2^39793973667 is an apocalyptic number.

39793973667 is a deficient number, since it is larger than the sum of its proper divisors (21381089373).

39793973667 is a wasteful number, since it uses less digits than its factorization.

39793973667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16769602.

The product of its digits is 243045684, while the sum is 69.

The spelling of 39793973667 in words is "thirty-nine billion, seven hundred ninety-three million, nine hundred seventy-three thousand, six hundred sixty-seven".